Time appears to have a clear direction, like a one-way path: the past lies behind us, fixed and unchangeable, accessible through memory or written records. On the other hand, the future lies ahead, uncertain and not yet determined. While we can make predictions about the future, we lack concrete evidence or proof of what lies ahead. Many of the events we experience are irreversible. For example, we can easily break an egg, but it's difficult, if not impossible, to unbreak it once it's already broken. This unidirectional progression of time seems natural and impossible to imagine going in any other way. This one-way direction, known as the arrow of time, gives us the feeling of time passing and the sense of moving through different moments.

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0:00 Intro
1:04 Time Travel With Paradoxes
10:10 Time Travel Without Paradoxes
17:46 Time
26:34 When is it truly now?